Reddit, Inc. · 5 days ago
Machine Learning Engineer, Search and Answers
United States
Full-time
Remote
Senior Level
$186K/yr - $322K/yr
5+ years expReddit is a community of communities and is one of the internet’s largest sources of information. The Machine Learning Engineer will shape the future of Search and Answers products at Reddit by developing and enhancing search retrieval processes, training ranking models, and deploying query understanding systems.
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Responsibilities
Develop and enhance our Search Retrieval process - from optimizing lexical search (e.g. SOLR tuning) to designing and iterating on models for semantic retrieval
Train the latest and greatest ranking models that can learn across multiple objectives and display the most relevant results across numerous search intents
Build and deploy Query Understanding systems using state-of-the-art ML models, small language models, and the newest LLMs for gen AI workflows
Use LLMs with Prompt Engineering, Fine Tuning, and other advanced gen AI techniques to build and iterate on Reddit Answers, all while keeping low latencies and top of the line quality!
Generate features at the intersection of AI/ML and UI that provide users with useful information about the relevance of search results
Leverage your technical expertise to ensure our pipelines have robust monitoring, high uptime and low latency, while collaborating with other technical leaders, product managers, data scientists, ML modelers, and platform engineers to develop a long-term roadmap that aligns with the needs of a constantly evolving product ecosystem
This is a high-impact role where you will be involved in technical & product strategy, operations, architecture, and execution for one of the largest sites in the world
Qualification
Required
5-10+ years of industry experience as a machine learning engineer
Experience in building and productionizing machine learning models using PyTorch or Tensorflow
Experience working with search & recommender systems or query understanding systems at scale
Experience building production-quality code incorporating testing, evaluation, and monitoring using object-oriented programming, including experience in Python, Golang
Experienced with GraphQL, REST, HTTP, Thrift or gRPC basics, and the ability to design and implement maintainable APIs. Deep systems level understanding of industry scale recommendation systems
Experience of developing applications using large scale data stack - e.g. Kubeflow, Airflow, BigQuery, GraphQL, Kafka, Redis etc
Bachelor's degree (or foreign equivalent) in Computer Science, Computer Engineering, Engineering, Applied Sciences, Mathematics, Physics, or a related field
Engineering leadership experience working across multiple teams
At least 2 years of experience working on Ads products and/or growth engineering
5+ years of experience in software engineering
Experience coordinating large-scale, cross-functional efforts that span different teams, and driving alignment
Experience working with multiple teams in product & design
Knowledge of full stack product development practices (Frontend, Mobile, Backend)
Preferred
Experience working on SMB related products/projects
Benefits
Comprehensive Healthcare Benefits and Income Replacement Programs
401k with Employer Match
Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
Family Planning Support
Gender-Affirming Care
Mental Health & Coaching Benefits
Flexible Vacation & Paid Volunteer Time Off
Generous Paid Parental Leave
Company
Reddit, Inc.
Reddit is the heart of the internet, where millions of people get together to talk about any topic imaginable.
1001-5000 employees
H1B Sponsorship
Reddit, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (99)
2024 (63)
2023 (76)
2022 (70)
2021 (68)
2020 (39)
Funding
Current Stage
Public CompanyTotal Funding
$1.33BKey Investors
FidelityVy CapitalTencent
2024-03-21IPO
2021-08-12Series F· $410M
2021-02-08Series E· $367.95M
Leadership Team
Steve Huffman
CEO
Chris Slowe
CTO
Recent News
Search Engine Journal
2026-01-11
2026-01-09
2026-01-09
Company data provided by crunchbase